Ectropion, also known as valgus foot, is a congenital deformity of foot development, which refers to the outward and upward deviation of the baby’s foot. In addition to the factors of congenital lower limb muscle strength abnormalities, generally caused by acquired factors such as cerebral palsy and rickets. A, the harm of foot ectropion Foot ectropion can lead to a series of hazards, common hazards are as follows: 1, leading to knee inversion, serious knee pain and lumbago; 2, easy to make early degeneration of the foot joint, so that the cartilage is destroyed, affecting normal walking; 3, so that flat feet deteriorate, causing plantar fascia strain, bone spurs and other symptoms. Second, how to judge the baby foot ectropion baby foot ectropion can be judged according to the symptoms and examination, as follows: 1, according to the symptoms of the performance of identification (1) foot deformity: the front of the foot inward inward, talus plantar flexion, forefoot widening, heel narrowing, high arch, the outer ankle protruding in front, etc.; (2) walking abnormalities: standing walking metatarsal outer edge of the weight, in severe cases, the outer edge of the dorsal foot weight, weight-bearing area bursitis and callus, walking limping or walking swaying. 2, according to clinical examination to confirm the diagnosis (1) X-ray examination: is the necessary method to diagnose foot exostosis. Once the baby is found to have foot exostosis, the following measures can be taken to treat: 1, foot correction techniques: through stretching, massage, etc., the formation of different mechanisms of foot exostosis targeted selection of rehabilitation treatment techniques; 2, wearing foot brace: through the arch pads or wearing foot aids to correct the foot deformity and improve the walking ability of the child; 3, surgery: correction techniques or wearing foot brace is ineffective, surgery can be performed. If the foot brace is not effective, surgery can be performed, which is generally suitable for older babies.